Hadron calorimetry at the Fermilab tagged photon spectrometer facility

Appel, J. A.; Mantsch, P.; Streetman, M. E.; Robertson, Richard Michael

doi:10.1016/0168-9002(86)90969-1

Cited by 8 publications

(6 citation statements)

References 3 publications

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“…The Hadrometer [37] was designed to detect hadronic processes only, and was important for the detection of neutral hadrons, such as the neutron and…”

Section: Hadrometermentioning

confidence: 99%

A Search for the Rare and Forbidden Decays $D^0 \to V l^+l^-$

Aitala

2003

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I report the results of a search for flavor-changing neutral current, leptonflavor, and lepton-number violating decays of the 3 and 4-body decay modes of the D 0 (and its antiparticle) containing muons and electrons. Using data from Fermilab charm hadroproduction experiment E791, I examine modes with two leptons and either a ρ 0 , K * 0 , or φ vector meson or a non-resonant ππ, Kπ, or KK pair of pseudoscalar mesons. No evidence for any of these decays is found. Therefore, branching-fraction upper limits, typically at the 10 −4 level, are presented at the 90% confidence level for the 27 decay modes examined. Of these searches, 18 are investigations of decays without previous published results; several others have significantly improved sensitivity over previous results. v

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“…The Hadrometer [37] was designed to detect hadronic processes only, and was important for the detection of neutral hadrons, such as the neutron and…”

Section: Hadrometermentioning

confidence: 99%

A Search for the Rare and Forbidden Decays $D^0 \to V l^+l^-$

Aitala

2003

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“…The Hadrometer [37] was designed to detect hadronic processes only, and was important for the detection of neutral hadrons, such as the neutron and K 0 L . Both the Hadrometer and the SLIC were used in the experiment's ET trigger.…”

Section: Hadrometermentioning

confidence: 99%

A Search for the rare and forbidden decays D0 → V ℓ+ ℓ-

Aitala

2003

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“…The hadronic calorimeter consisted of six interaction lengths of steel and acrylic scintillator. There were 36 layers, each with a 2.5-cm-thick steel plate followed by a plane of 14.3-cm-wide by 1-cm-thick scintillator slats; the slats were arranged alternately in the horizontal and vertical directions, and the upstream and downstream halves of the calorimeter were summed separately [33]. The signals from the hadronic calorimeter as well as those from the electromagnetic calorimeter were used for electron identification.…”

Section: The Spectrometermentioning

confidence: 99%

Correlations between D and $${\overline D}$$ mesons produced in 500 GeV/cπ−-nucleon interactions

et al. 2000

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We present a study of correlations between D and D mesons produced in 500 GeV/c π − -nucleon interactions, based on data from experiment E791 at Fermilab. We have fully reconstructed 791 ± 44 charm meson pairs to study correlations between the transverse and longitudinal momenta of the two D mesons and the relative production rates for different types of D meson pairs. We see slight correlations between http://link.springer.de/link/service/journals/10105/index.html EPJdirect C1 (2018) Springer-Verlag 68 the longitudinal momenta of the D and the D, and significant correlations between the azimuthal angle of the D and the D. The experimental distributions are compared to a next-to-leading-order QCD calculation and to predictions of the Pythia/Jetset Monte Carlo event generator. We observe less correlation between transverse momenta and different correlations between longitudinal momenta than these models predict for the default values of the model parameters. Better agreement between data and theory might be achieved by tuning the model parameters or by adding higher order perturbative terms, thus contributing to a better understanding of charm production.The relative production rates for the four sets of charm pairs

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Hadron calorimetry at the Fermilab tagged photon spectrometer facility

Cited by 8 publications

References 3 publications

A Search for the Rare and Forbidden Decays $D^0 \to V l^+l^-$

A Search for the Rare and Forbidden Decays $D^0 \to V l^+l^-$

A Search for the rare and forbidden decays D<sup>0</sup> → V ℓ<sup>+</sup> ℓ<sup>-</sup>

Correlations between D and $${\overline D}$$ mesons produced in 500 GeV/cπ−-nucleon interactions

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